Marcus & Co. Edwardian Diamond Crescent Brooch

Marcus & Co. Edwardian Diamond Crescent Brooch platinum/18k yellow gold, the brooch mounted with old European-cut and old single-cut diamonds weighing approximately 2.50 carats in total, signed "M & C

Edwardian 7.32ctw Diamond Crescent Brooch 1.5''x1.5''. It includes a center Old European cut diamond of 1.04 carats with three other larger diamonds of 2.24ctw. It also has two single-cut and seventee

Edwardian 6.50 ct Diamond Crescent Brooch 3.5'' x 1.25''. It includes a center Old European cut diamond of .91 carats. It also has 11 perfectly sized diamonds on either side. Total weight 6.50 ct. Ave

A beautiful Edwardian 14K W/G crescent brooch (1.2"x1.2") set with gem quality European diamonds, diamond wt. approx. 0.55, 0.45, 0.45, 0.35, 0.35, 0.18, 0.18 and 4 small diamonds, all diamonds are VS

EDWARDIAN SAPPHIRE AND DIAMOND CRESCENT BROOCH,15 ct. gold and silver.Blue sapphires totalling approx. 1.86 ct.Diamonds bright and lively.W. 6.6 cm.8.2 grams.Blue sapphires vibrant and well matched

MARCUS & CO: SAPPHIRE AND DIAMOND BROOCH/PENDANT, EARLY 20TH CENTURY The central oval-cut sapphire within an openwork quatrefoil border of floral and foliate motifs, millegrain-set throughout with old

AN EDWARDIAN DIAMOND AND HALF PEARL CRESCENT BROOCH CIRCA 1910The circular gold crescent set with graduated half pearls and old mine cut diamonds, approximately 0.42 carats total, to a pierced gallery

Marcus & Co. Platinum, Gold, Amethyst and Diamond Brooch One lozenge-shaped amethyst ap. 27.0 x 18.0 x 9.7 mm., rose-cut diamonds, signed M & Co., c. 1915, ap. 8.2 dwts. C

This lot is accompanied by an Independant Gemologist Appraisal letterMarcus & Co style 18k gold emerald diamond and enamel, art nouveau antique brooch/pendant designed with one elongated, oval cabocho

Signed Tiffany & Co. 18kt yellow gold crescent moon brooch displaying alternating Old European cut diamonds and round/oval faceted rubies. With a 14kt yellow gold brooch backing. Largest diamond m

18k Rose gold pin topped by daisy with white enamel petals, centered with one (1) 6pt diamond. Date: Early 1900s. Dimensions: W.5 x D.25 x L2.25 in. In original leather case with lining marked: Marcus

Title: Edwardian Tiffany & Co. Approx. 1ctw Fine Old Euro Diamond Natural Pearl Platinum Top 14k Gold Brooch Description: A finely made Edwardian Era brooch by Tiffany & Co. comprised of a platinum t

Edwardian brooch from beginning of 20th century designed as a half crescent, made of platinum (acid tested - the pin on the reverse is made of 18K Yellow Gold) and set with many lovely Old European Cu

Important Victorian Diamond Crescent Brooch ca. 1865, silver top, 15k gold back, set with three tapering rows of graduated old mine-cut diamonds, weighing approximately 3.98 carats in total. dia. 1-3/

Antique Gold and Diamond Crescent Broochthe crescent brooch in an open work scalloped design set with old European and mine cut diamonds, completed with a single pin stem with safety catch, testing 14

DIAMOND CRESCENT BROOCH, CIRCA 1900 Of crescent design, set throughout with cushion-shaped diamonds, diamonds approx. 1.70cts total, length 3.2cm

EDWARDIAN OPENWORK DIAMOND BROOCH, set with a larger diamond to the center, flanked in openwork design with dismonds in part scrolling design. Diamonds totalling approx. 5 ct. W. 4.5 cm. 10.6 grams.

Vintage 14K yellow gold, sapphire, ruby and diamond crescent brooch, set with four round brilliant-cut diamonds; weighing a total of approx: 0.40 carats, color: H-I, clarity: SI1-SI2, eight round and

VICTORIAN SAPPHIRE AND DIAMOND CRESCENT BROOCH high carat gold. fantastic rich, vibrant sapphires with no abrasions we matched sapphires total gems- approx 4.90 ct3.1 cm diameter 5.7 grams

ANTIQUE DIAMOND CRESCENT BROOCH. Largest old cut diamond approx. 0.50 ct. Diamonds H-J colour, Si clarity.Diam. 2.3 cm 4.5 grams.Fine brooch with lovely old cut diamonds

A ruby and diamond crescent brooch. The vari-shape ruby and old-cut diamond crescent lines, with rose-cut diamond terminals. Estimated total old-cut diamond weight 1.10cts. Length 3cms. Weight 5.6gms.

CARVED OPAL, SAPPHIRE, EMERALD AND DIAMOND CRESCENT BROOCH Containing five intricately carved transparent crystal opal flowers measuring approximately 9.50-13.00 mm wide, eight round brilliant cut dia

18KT GOLD & DIAMOND CRESCENT BROOCH, W 1/2", L 2.25", T.W. 6 GR An 18kt gold and diamond crescent form brooch. Offers twenty one diamonds, sizes ranging from 2mm to 5mm. Having a dedication ("M.E. KOT

AN EDWARDIAN DIAMOND BROOCH Designed as a crown set with old European and old mine-cut diamonds, approximate total weight 2.05 carats, platinum-topped gold mount, weight 6.6 dwt, length 1 5/8 in. Fo